source: frontend/node_modules/webpack/lib/dependencies/WebAssemblyImportDependency.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const makeSerializable = require("../util/makeSerializable");
const UnsupportedWebAssemblyFeatureError = require("../wasm-sync/UnsupportedWebAssemblyFeatureError");
const ModuleDependency = require("./ModuleDependency");

/** @typedef {import("@webassemblyjs/ast").ModuleImportDescription} ModuleImportDescription */
/** @typedef {import("../Dependency").ReferencedExports} ReferencedExports */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../errors/WebpackError")} WebpackError */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */

class WebAssemblyImportDependency extends ModuleDependency {
        /**
         * Creates an instance of WebAssemblyImportDependency.
         * @param {string} request the request
         * @param {string} name the imported name
         * @param {ModuleImportDescription} description the WASM ast node
         * @param {false | string} onlyDirectImport if only direct imports are allowed
         */
        constructor(request, name, description, onlyDirectImport) {
                super(request);
                /** @type {string} */
                this.name = name;
                /** @type {ModuleImportDescription} */
                this.description = description;
                /** @type {false | string} */
                this.onlyDirectImport = onlyDirectImport;
        }

        get type() {
                return "wasm import";
        }

        get category() {
                return "wasm";
        }

        /**
         * Returns list of exports referenced by this dependency
         * @param {ModuleGraph} moduleGraph module graph
         * @param {RuntimeSpec} runtime the runtime for which the module is analysed
         * @returns {ReferencedExports} referenced exports
         */
        getReferencedExports(moduleGraph, runtime) {
                return [[this.name]];
        }

        /**
         * Returns errors.
         * @param {ModuleGraph} moduleGraph module graph
         * @returns {WebpackError[] | null | undefined} errors
         */
        getErrors(moduleGraph) {
                const module = moduleGraph.getModule(this);

                if (
                        this.onlyDirectImport &&
                        module &&
                        !module.type.startsWith("webassembly")
                ) {
                        return [
                                new UnsupportedWebAssemblyFeatureError(
                                        `Import "${this.name}" from "${this.request}" with ${this.onlyDirectImport} can only be used for direct wasm to wasm dependencies`
                                )
                        ];
                }
        }

        /**
         * Serializes this instance into the provided serializer context.
         * @param {ObjectSerializerContext} context context
         */
        serialize(context) {
                const { write } = context;

                write(this.name);
                write(this.description);
                write(this.onlyDirectImport);

                super.serialize(context);
        }

        /**
         * Restores this instance from the provided deserializer context.
         * @param {ObjectDeserializerContext} context context
         */
        deserialize(context) {
                const { read } = context;

                this.name = read();
                this.description = read();
                this.onlyDirectImport = read();

                super.deserialize(context);
        }
}

makeSerializable(
        WebAssemblyImportDependency,
        "webpack/lib/dependencies/WebAssemblyImportDependency"
);

module.exports = WebAssemblyImportDependency;